rtx-telecom.dk

📜 Historical scan 2026-10-07 20:24:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rtx-telecom.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 June 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.47.247.18
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 159ms

TXT Record
apple-domain-verification=KZ6m21KjQ6e2fDiO
v=spf1 include:outlook.com ~all

✉️ SPF#

Policy	Record (rtx-telecom.dk)
~all (soft fail)	v=spf1 include:outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.rtx-telecom.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:itdepartment@rtx.dk

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 04:35:27

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network rtx-telecom.dk: 195.47.247.18 (AS51468) www.rtx-telecom.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

102ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

32ms

Field	Value
Serial	2026100706
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 20:53:56

Field	Value
Registrar	ONE.COM A/S
Registered	2001-06-20
Expires	2031-06-30 (1708d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

31ms

34ms

AAAA

37ms

TXT

159ms

CAA

41ms

HTTPS

36ms

TLSA

47ms

SOA

32ms

MTA-STS

58ms

DNSSEC

102ms

SRV

62ms

Total

529ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 04:35:26	1022ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 20:27:49	572ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 20:24:00 shown	529ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 17:18:12	2494ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-07 21:48:33	841ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-25 17:01:48	818ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-02 12:53:50	1876ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 22:35:54	736ms	2 NS 1 A 4 MX	🔒 Secure